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Improving Mechanical, Thermal and Damping Properties of NiTi (Nitinol) Reinforced Aluminum Nanocomposites.
- Source :
- Journal of Composites Science; Mar2020, p1-12, 12p
- Publication Year :
- 2020
-
Abstract
- In the present study, Ni50Ti50 (NiTi) particle reinforced aluminum nanocomposites were fabricated using microwave sintering and subsequently hot extrusion. The effect of NiTi (0, 0.5, 1.0, and 1.5 vol %) content on the microstructural, mechanical, thermal, and damping properties of the extruded Al-NiTi nanocomposites was studied. Compared to the unreinforced aluminum, hardness, ultimate compression/tensile strength and yield strength increased by 105%, 46%, 45%, and 41% while elongation and coefficient of thermal expansion (CTE) decreased by 49% and 22%, respectively. The fabricated Al-1.5 NiTi nanocomposite exhibited significantly higher damping capacity (3.23 x 10<superscript>-4</superscript>) and elastic modulus (78.48 ± 0.008 GPa) when compared to pure Al. [ABSTRACT FROM AUTHOR]
Details
- Language :
- English
- ISSN :
- 2504477X
- Database :
- Complementary Index
- Journal :
- Journal of Composites Science
- Publication Type :
- Academic Journal
- Accession number :
- 142937009
- Full Text :
- https://doi.org/10.3390/jcs4010019